Question

----- report is usually sent in the form of letter.​

Answer 1

Answer- Business/ Formal report

Answer 2

Answer:

Informal report is usually sent in the form of letter.​

Explanation:

Informal reports are normally written in the form of a memorandum or a letter. An informal report is a document shared within an organization. Informal reports are usually relatively short. Memos, emails, and papers are all examples of informal reports.

Informal reports may be delivered in a variety of formats including letters, memos, emails, and digital postings (such as a blog). While your delivery method .Informal reporting is a type of business reporting where the information presented doesn't need to be formatted or structured in any specific way. These reports include critical but brief information.